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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile contains the boundaries of urban areas with dense areas of human habitation worldwide derived from 2002-2003 MODIS satellite... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile contains the boundaries of urban areas with dense areas of human habitation worldwide derived from 2002-2003 MODIS satellite... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts boundaries of urban areas with dense areas of human habitation worldwide. Regional significance is favored over popu... North American Cartographic Information Society.
2010. United States. National Oceanic and Atmospheric Administration, United States. Department of Commerce, United States. National Ocean Service, and Coastal Services Center (U.S.). The Automated Wreck and Obstruction Information System (AWOIS) is an automated file that contains information on wrecks and obstructions, and other... Coastal Services Center (U.S.).
1931. Virtual Shanghai Project and Jihyun Geographical Institute. This layer is a georeferenced image of a map of Shanghai (originally titled '新上海地圖 /Xin shanghai ditu') that was published in 1931. It shows histor... Virtual Shanghai Project.
1950. Virtual Shanghai Project. This layer is a georeferenced image of a map of Shanghai (originally titled '新上海市区明細图 / Detailed map of the urban districts of new Shanghai) publis... Virtual Shanghai Project.
2000. This raster dataset represents the average yield for yam crops in tons per hectare. Croplands cover ~15 million km2 of the planet and provide the b... University of Minnesota. Institute on the Environment.
2000. This raster dataset represents the agricultural census data quality for yam crop yields. Data quality categories include (0= missing, 0.25= county ... University of Minnesota. Institute on the Environment.
2000. This raster dataset represents the agricultural census data quality for harvested areas of yam crops. Data quality categories include (0= missing, ... University of Minnesota. Institute on the Environment.
2000. This raster dataset depicts the average fractional proportion of a gridcell for yam crops that were harvested circa 2000. Croplands cover ~15 milli... University of Minnesota. Institute on the Environment.